Emperor Constantine the Great famously converted to Christianity in the early 4th century CE. But how did this happen? What did Constantine really believe?

Title: "With Stevenson on World Tour…Visits Rome and Belgrade" / Adlai Stevenson walks down airplane steps in Belgrade and shakes dignitary's hand / Stevenson and entourage cross tarmac / MS inside office, Stevenson and Marshal Josip...

Arch of Constantine, Palatine Hill, Rome, Italy

View from the Coliseum on the Arch of Constantine

Arch of Constantine, South Side, Rome, Italy

Several views of the famous Arch of Constantine. Original ambient sound

The Arch of Constantine (Arco di Costantino) is a triumphal arch in Rome, situated between the Colosseum and the Palatine Hill.

The Arch of Constantine (Arco di Costantino) is a triumphal arch in Rome , situated between the Colosseum and the Palatine Hill.

Video of The Arch of Constantine (Arco di Costantino) is a triumphal arch in Rome, italy (HD)

'Il Duce' Benito Mussolini issues Fascist salute as he stands in front of statue of Roman Emperor Nerva in the Roman Forum / Italian troops march toward camera, bearing the flag of the Kingdom of Italy, as procession moves away from the...

The Arch of Constantine and the Coliseum of Rome

A statue tops a pillar on Rome's Arch of Constantine.

Statues top tall pillars on Rome's Arch of Constantine.

Crowd of tourists by the Coliseum and the Arch of Constantine in 4K video. In the background the monument symbol of Rome.

Crowd of tourists by the Coliseum and the Arch of Constantine in 4K video. In the background the monument symbol of Rome.

Crowd of tourists by the Coliseum and the Arch of Constantine in 4K video. In the background the monument symbol of Rome.

Title card: "NEWS FLASHES!" / LS squadron of Italian Air Force jets fly toward and over camera / LS jets fly over enthusiastic Italian crowd / MS Italian Prime Minister Benito Mussolini and henchmen shield their eyes from the sun and...